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| create table coucou1
(
ch2 varchar2(50),
ch1 char(12),
ch3 date,
ch4 varchar2(7),
ch5 number,
ch6 varchar2(12),
ch7 varchar2(3),
ch8 float,
ch9 integer default 0,
ch10 date default null,
ch11 varchar2(4),
constraint pk_coucou1 primary key(ch1 , ch2)
);
create table coucou2
(
ch1 char(12),
ch2 varchar2(50),
ch3 date,
ch4 number,
ch5 varchar2(4),
constraint pk_coucou2 primary key(ch1 , ch2, ch3),
constraint fk_1_2 foreign key(ch1 , ch2) references coucou1(ch1 , ch2) on delete cascade
); |
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